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FSMDX vs. FLAPX
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

Correlation

The correlation between FSMDX and FLAPX is 1.00, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.


-0.50.00.51.01.0

Performance

FSMDX vs. FLAPX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Fidelity Mid Cap Index Fund (FSMDX) and Fidelity Flex Mid Cap Index Fund (FLAPX). The values are adjusted to include any dividend payments, if applicable.

-5.00%0.00%5.00%10.00%AugustSeptemberOctoberNovemberDecember2025
6.46%
7.64%
FSMDX
FLAPX

Key characteristics

Sharpe Ratio

FSMDX:

1.37

FLAPX:

1.46

Sortino Ratio

FSMDX:

1.92

FLAPX:

2.04

Omega Ratio

FSMDX:

1.24

FLAPX:

1.25

Calmar Ratio

FSMDX:

1.74

FLAPX:

1.92

Martin Ratio

FSMDX:

6.04

FLAPX:

6.81

Ulcer Index

FSMDX:

3.03%

FLAPX:

2.88%

Daily Std Dev

FSMDX:

13.36%

FLAPX:

13.42%

Max Drawdown

FSMDX:

-40.35%

FLAPX:

-40.31%

Current Drawdown

FSMDX:

-6.16%

FLAPX:

-5.09%

Returns By Period

The year-to-date returns for both investments are quite close, with FSMDX having a 2.16% return and FLAPX slightly higher at 2.18%.


FSMDX

YTD

2.16%

1M

-3.09%

6M

6.47%

1Y

19.16%

5Y*

8.76%

10Y*

8.83%

FLAPX

YTD

2.18%

1M

-1.96%

6M

7.65%

1Y

20.45%

5Y*

9.15%

10Y*

N/A

*Annualized

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


FSMDX vs. FLAPX - Expense Ratio Comparison

FSMDX has a 0.03% expense ratio, which is higher than FLAPX's 0.00% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.


FSMDX
Fidelity Mid Cap Index Fund
Expense ratio chart for FSMDX: current value at 0.03% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.03%
Expense ratio chart for FLAPX: current value at 0.00% compared with the broader market ranging from 0.00% to 2.12%.0.50%1.00%1.50%2.00%0.00%

Risk-Adjusted Performance

FSMDX vs. FLAPX — Risk-Adjusted Performance Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

FSMDX
The Risk-Adjusted Performance Rank of FSMDX is 7979
Overall Rank
The Sharpe Ratio Rank of FSMDX is 7979
Sharpe Ratio Rank
The Sortino Ratio Rank of FSMDX is 8080
Sortino Ratio Rank
The Omega Ratio Rank of FSMDX is 7676
Omega Ratio Rank
The Calmar Ratio Rank of FSMDX is 8484
Calmar Ratio Rank
The Martin Ratio Rank of FSMDX is 7575
Martin Ratio Rank

FLAPX
The Risk-Adjusted Performance Rank of FLAPX is 8282
Overall Rank
The Sharpe Ratio Rank of FLAPX is 8282
Sharpe Ratio Rank
The Sortino Ratio Rank of FLAPX is 8383
Sortino Ratio Rank
The Omega Ratio Rank of FLAPX is 7979
Omega Ratio Rank
The Calmar Ratio Rank of FLAPX is 8585
Calmar Ratio Rank
The Martin Ratio Rank of FLAPX is 7979
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

FSMDX vs. FLAPX - Risk-Adjusted Performance Comparison

This table presents a comparison of risk-adjusted performance metrics for Fidelity Mid Cap Index Fund (FSMDX) and Fidelity Flex Mid Cap Index Fund (FLAPX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.


Sharpe ratio
The chart of Sharpe ratio for FSMDX, currently valued at 1.37, compared to the broader market-1.000.001.002.003.004.001.371.46
The chart of Sortino ratio for FSMDX, currently valued at 1.92, compared to the broader market0.002.004.006.008.0010.001.922.04
The chart of Omega ratio for FSMDX, currently valued at 1.24, compared to the broader market1.002.003.004.001.241.25
The chart of Calmar ratio for FSMDX, currently valued at 1.74, compared to the broader market0.005.0010.0015.0020.001.741.92
The chart of Martin ratio for FSMDX, currently valued at 6.04, compared to the broader market0.0020.0040.0060.0080.006.046.81
FSMDX
FLAPX

The current FSMDX Sharpe Ratio is 1.37, which is comparable to the FLAPX Sharpe Ratio of 1.46. The chart below compares the historical Sharpe Ratios of FSMDX and FLAPX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.


Rolling 12-month Sharpe Ratio1.001.502.002.503.00AugustSeptemberOctoberNovemberDecember2025
1.37
1.46
FSMDX
FLAPX

Dividends

FSMDX vs. FLAPX - Dividend Comparison

FSMDX's dividend yield for the trailing twelve months is around 1.14%, more than FLAPX's 1.05% yield.


TTM20242023202220212020201920182017201620152014
FSMDX
Fidelity Mid Cap Index Fund
1.14%1.17%1.39%1.59%1.10%1.37%1.42%1.85%1.32%1.35%2.29%3.82%
FLAPX
Fidelity Flex Mid Cap Index Fund
1.05%1.08%1.48%1.63%1.06%1.34%1.39%1.84%0.38%0.00%0.00%0.00%

Drawdowns

FSMDX vs. FLAPX - Drawdown Comparison

The maximum FSMDX drawdown since its inception was -40.35%, roughly equal to the maximum FLAPX drawdown of -40.31%. Use the drawdown chart below to compare losses from any high point for FSMDX and FLAPX. For additional features, visit the drawdowns tool.


-8.00%-6.00%-4.00%-2.00%0.00%AugustSeptemberOctoberNovemberDecember2025
-6.16%
-5.09%
FSMDX
FLAPX

Volatility

FSMDX vs. FLAPX - Volatility Comparison

Fidelity Mid Cap Index Fund (FSMDX) and Fidelity Flex Mid Cap Index Fund (FLAPX) have volatilities of 5.00% and 5.24%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


3.00%4.00%5.00%6.00%AugustSeptemberOctoberNovemberDecember2025
5.00%
5.24%
FSMDX
FLAPX
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Disclaimer

The information contained herein does not constitute investment advice and made available for educational purposes only. Prices and returns on equities are listed without consideration of fees, commissions, taxes, penalties, or interest payable due to purchasing, holding, or selling.

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